11000100021 has 16 divisors (see below), whose sum is σ = 15097610304. Its totient is φ = 7120848384.

The previous prime is 11000100017. The next prime is 11000100031. The reversal of 11000100021 is 12000100011.

11000100021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11000100021 - 2² = 11000100017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11000099982 and 11000100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000100031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341191 + ... + 372036.

It is an arithmetic number, because the mean of its divisors is an integer number (943600644).

Almost surely, 2^11000100021 is an apocalyptic number.

It is an amenable number.

11000100021 is a deficient number, since it is larger than the sum of its proper divisors (4097510283).

11000100021 is an equidigital number, since it uses as much as digits as its factorization.

11000100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713380.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 11000100021 its reverse (12000100011), we get a palindrome (23000200032).

The spelling of 11000100021 in words is "eleven billion, one hundred thousand, twenty-one".